句型转换(10分)
My sister is watching TV. （改为一般疑问句）
________ ________ sister ________ TV?
They are enjoying the sun on the beach. （对画线部分提问）
________ ________ they _______ the sun?
We are always busy on Saturdays and Sundays.（同义句转换）
We are always busy ______ ______.
I often do my homework on the computer.（改为否定句）
I _______ _______ _______ my homework on the computer.
She often helps her mother with housework.（对划线部分提问）
________ ________ she often ________?